CVE-2025-66271

Clone for Windows provided by ELECOM CO.,LTD. registers a Windows service with an unquoted file path. A user with the write permission on the root directory of the system drive may execute arbitrary code with SYSTEM privilege.

CVSS 4.0

8.4CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.0

6.7CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-25)

CWE

CWE-428

Published

2025-12-09

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

References

• https://jvn.jp/en/jp/JVN33172708/
• https://www.elecom.co.jp/news/security/20251209-01/

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